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Finding the Third Proportional to 374.25 and 543

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Solution

The third proportional to 374.25 and 543 is: 787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.25 : 543 = 543 : x
  2. Step 2: Convert to fraction form
    374.25/543 = 543/x
  3. Step 3: Cross multiply
    374.25x = 543 × 543
  4. Step 4: Simplify right side
    374.25x = 294,849
  5. Step 5: Solve for x
    x = 294,849/374.25
  6. Step 6: Final answer
    x = 787.84

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.